Finding the Fourth Proportional to 1,593,731.99, 2,199,243.20 and 905,548.70
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Solution
The fourth proportional to 1,593,731.99, 2,199,243.20 and 905,548.70 is: 1,249,596.43
Step by Step Solution
- Step 1: Write the proportion equation
1,593,731.99 : 2,199,243.20 = 905,548.70 : x - Step 2: Convert to fraction form
1,593,731.99/2,199,243.20 = 905,548.70/x - Step 3: Cross multiply
1,593,731.99x = 2,199,243.20 × 905,548.70 - Step 4: Simplify right side
1,593,731.99x = 1,991,521,805,219.88 - Step 5: Solve for x
x = 1,991,521,805,219.88/1,593,731.99 - Step 6: Final answer
x = 1,249,596.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.